A sound of frustration, surprise, or any sudden emotion. An exclaimation. Can also mean that you don't care about what is happening or being said. Showing a lack of interest. Similar to 'meh'
"MAH!" ~scared or surprised, even excited in a certain situation
"MAAAAAAAAAAAAAAAAAAAAAAAAAAAH! THIS &^%%&$# PIECE OF &^%$ COMPUTER!!!" ~anger
"...mah" ~in response to a statement you could care less about. (can also be said meh)
a person, object, place, etc. that is most likely ugly or extremely unattractive or in the case of an object or place is dilapidated (ie. lacking funds to improve)